diff --git a/Dockerfile b/Dockerfile
index b98e5579..340e3ff1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -198,7 +198,7 @@ RUN apk add glibc-${GLIBC_VERSION}.apk
 
 # stable dart sdk: https://dart.dev/get-dart#release-channels
 ARG DART_VERSION='2.8.4'
-RUN wget https://storage.googleapis.com/dart-archive/channels/stable/release/${DART_VERSION}/sdk/dartsdk-linux-x64-release.zip -O - -q | unzip - \
+RUN wget https://storage.googleapis.com/dart-archive/channels/stable/release/${DART_VERSION}/sdk/dartsdk-linux-x64-release.zip -O - -q | unzip -q - \
     && chmod +x dart-sdk/bin/dart* \
     && mv dart-sdk/bin/* /usr/bin/ && mv dart-sdk/lib/* /usr/lib/ && mv dart-sdk/include/* /usr/include/ \
     && rm -r dart-sdk/